Stackable box having cutout viewing windows and supporting central carrying handle



FIG. 1 is a perspective view from the top front left of a stackable box having cutout viewing windows and supporting central carrying handle showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a left view thereof; and,

FIG. 8 is a perspective view from the top back left thereof.

The broken lines in FIG. 8 show unclaimed subject matter only, and form no part of the claimed design thereof. 

The ornamental design for a stackable box having cutout viewing windows and supporting central carrying handle, as shown and described. 